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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
LGU3630NN
LGU3630NN
In Stock
From
$7,016.80
Cutler Hammer
630
600
LHB36300
LHB36300
In Stock
From
$2,754.30
Square D
300
600
LHF26200
LHF26200
In Stock
From
$1,853.22
Square D
200
600
LHF36150
LHF36150
In Stock
From
$1,352.93
Square D
150
600
LHF36200
LHF36200
In Stock
From
$1,836.77
Square D
200
600
LHF36400
LHF36400
In Stock
From
$2,943.83
Square D
400
600
LHL26150
LHL26150
In Stock
From
$972.42
Square D
150
600
LHL26200
LHL26200
In Stock
From
$1,853.22
Square D
200
600
LHL26225
LHL26225
In Stock
From
$1,564.64
Square D
225
600
LHL26250
LHL26250
In Stock
From
$1,811.51
Square D
250
600
LHL26300
LHL26300
In Stock
From
$5,519.73
Square D
300
600
LHL26350
LHL26350
In Stock
From
$1,449.81
Square D
350
600
LHL26400
LHL26400
In Stock
From
$1,366.77
Square D
400
600
LHL36150
LHL36150
In Stock
From
$1,088.54
Square D
150
600
LHL36200
LHL36200
In Stock
From
$1,836.77
Square D
200
600
LHL363501212
LHL363501212
In Stock
From
$1,654.00
Square D
350
600
LHL363501287
LHL363501287
In Stock
From
$473.33
Square D
350
600
LHL363501685
LHL363501685
In Stock
From
$1,781.54
Square D
350
600
LHL3640033M
LHL3640033M
In Stock
From
$2,943.83
Square D
400
600
LHP26200
LHP26200
In Stock
From
$1,853.22
Square D
200
600
LHP26225
LHP26225
In Stock
From
$1,564.64
Square D
225
600
LHP26225MB
LHP26225MB
In Stock
From
$1,564.64
Square D
225
600
LHP26300
LHP26300
In Stock
From
$1,376.67
Square D
300
600
LHP26400
LHP26400
In Stock
From
$887.48
Square D
400
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.